Table 1. Microbial counts in before (raw structured goat steak) and after cooking at different sous-vide processes

Microbial groups Initial counts Counts after sous-vide processes SEM p-values
60°C for 47 min 65°C for 12 min 70°C for 3 min
Aerobic mesophile (Log CFU/g) 4.83±0.15 1.79 1.72 1.88 0.23 0.442
Anaerobic mesophile (Log CFU/g) 3.15±0.24 1.13 1.22 1.21 0.17 0.326
Aerobic psychrotrophile (Log CFU/g) 3.84±0.08 <1 <1 <1
Anaerobic psychrotrophile (Log CFU/g) 1.51±0.11 <1 <1 <1
Yeast and mold (Log CFU/g) 2.17±0.13 <1 <1 <1
Enterobacteriaceae (Log CFU/g) 3.14±0.17 <1 <1 <1
Lactic acid bacteria (Log CFU/g) 3.37±0.25 1.14 1.03 1.12 0.21 0.337
B. thermosphacta (Log CFU/g) 1.90±0.09 <1 <1 <1
S. aureus (Log CFU/g) <1 <1 <1 <1
Bacillus spp. (Log CFU/g) <1 <1 <1 <1
Coliforms (MPN/g) 150 <3 <3 <3
E. coli (MPN/g) <3 <3 <3 <3
Clostridium spp. (MPN/g) <3 <3 <3 <3
L. monocytogenes nd nd nd nd
Salmonella spp. nd nd nd nd
Means±SE for initial counts.
p-values of each parameter after different sous-vide processes.
SEM, standard error of means for each parameter after different sous-vide processes; nd, not detected.